| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb past] on [num ord] | 10 |
|
| 2 | which [vb past] [prep] first | 8 |
|
| 3 | which [vb past] at [num ord] | 7 |
|
| 4 | which had [prep] [num ord] | 5 |
|
